Galactic dynamos

A Brandenburg, E Ntormousi - Annual Review of Astronomy and …, 2023 - annualreviews.org
Spiral galaxies, including the Milky Way, have large-scale magnetic fields with significant
energy densities. The dominant theory attributes these magnetic fields to a large-scale …

[HTML][HTML] Disentangling the Faraday rotation sky

S Hutschenreuter, M Haverkorn, P Frank… - Astronomy & …, 2024 - aanda.org
Context. Magnetic fields permeate the diffuse interstellar medium (ISM) of the Milky Way,
and are essential to explain the dynamical evolution and current shape of the Galaxy …

Transition from small-scale to large-scale dynamo in a supernova-driven, multiphase medium

FA Gent, MM Mac Low… - The Astrophysical …, 2024 - iopscience.iop.org
Magnetic fields are now widely recognized as critical at many scales to galactic dynamics
and structure, including multiphase pressure balance, dust processing, and star formation …

The huge magnetic toroids in the Milky Way halo

J Xu, JL Han - The Astrophysical Journal, 2024 - iopscience.iop.org
The magnetic fields in our Milky Way can be revealed by the distribution of Faraday rotation
measures (RMs) of radio sources behind the Galaxy and of radio pulsars inside the Galaxy …

Turbulent Structure in Supernova Remnants G46. 8− 0.3 and G39. 2− 0.3 from THOR Polarimetry

R Shanahan, JM Stil, L Anderson… - The Astrophysical …, 2023 - iopscience.iop.org
We present the continued analysis of polarization and Faraday rotation for the supernova
remnants (SNRs) G46. 8− 0.3 and G39. 2− 0.3 in L-band (1–2 GHz) radio continuum in The …

Determining the Magnetic Field in the Galactic Plane from New Arecibo Pulsar Faraday Rotation Measurements

AP Curtin, JM Weisberg, JM Rankin - The Astrophysical Journal, 2024 - iopscience.iop.org
We develop a new method for studying the Galactic magnetic field along the spiral arms
using pulsar Faraday rotation measures (RMs). Our new technique accounts for the dot …

Faraday Tomography with CHIME: The “Tadpole” Feature G137+ 7

N Mohammed, A Ordog, RA Booth… - The Astrophysical …, 2024 - iopscience.iop.org
A direct consequence of Faraday rotation is that the polarized radio sky does not resemble
the total intensity sky at long wavelengths. We analyze G137+ 7, which is undetectable in …

Aspect ratios of far-infrared and HI filaments in the diffuse interstellar medium at high Galactic latitudes

PMW Kalberla, U Haud - Astronomy & Astrophysics, 2023 - aanda.org
Context. Dusty magnetized structures observable in the far-infrared (FIR) at high Galactic
latitudes are ubiquitous and found to be closely related to HI filaments with coherent velocity …

Plasma lensing with magnetic field and a small correction to the Faraday rotation measurement

X Er, UL Pen, X Sun, D Li - Monthly Notices of the Royal …, 2023 - academic.oup.com
Plasma lensing displays interesting characteristics that set it apart from gravitational lensing.
The magnetized medium induces birefringence in the two polarization modes. As the …

eROSITA studies of the Carina nebula

M Sasaki, J Robrade, MGH Krause, JR Knies… - Astronomy & …, 2024 - aanda.org
Context. During the first four all-sky surveys eRASS: 4, which was carried out from
December 2019 to 2021, the extended Roentgen Survey with an Imaging Telescope Array …